Fair Value Measurements (Fair Values of Financial Instruments Measured On Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in corporate debt securities	$ 18,156	$ 17,788
Total assets measured at fair value	122,645	103,621
Contingent consideration	1,031	2,834
Total liabilities measured at fair value	1,031	2,834
Fair Value \| Money market and other funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money market and other funds	104,489	85,833
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in corporate debt securities	18,156	17,788
Total assets measured at fair value	122,645	103,621
Contingent consideration	1,031	2,834
Total liabilities measured at fair value	1,031	2,834
Carrying Value \| Money market and other funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money market and other funds	104,489	85,833
Level 1 \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in corporate debt securities	0	0
Total assets measured at fair value	104,489	85,833
Contingent consideration	0	0
Total liabilities measured at fair value	0	0
Level 1 \| Fair Value \| Money market and other funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money market and other funds	104,489	85,833
Level 2 \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in corporate debt securities	0	0
Total assets measured at fair value	0	0
Contingent consideration	0	0
Total liabilities measured at fair value	0	0
Level 2 \| Fair Value \| Money market and other funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money market and other funds	0	0
Level 3 \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in corporate debt securities	18,156	17,788
Total assets measured at fair value	18,156	17,788
Contingent consideration	1,031	2,834
Total liabilities measured at fair value	1,031	2,834
Level 3 \| Fair Value \| Money market and other funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money market and other funds	$ 0	$ 0

Fair value portion of asset recognized for present right to economic benefit.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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